CVE-2025-11892CWE-79cross-site-scripting

CVE-2025-11892

Critical · published November 11, 2025

CVSS v3.1
9.6
EPSS
1%
Percentile
52.6
In the wild
Unconfirmed
What it is

⚡ A crafty link could turn a regular user into an unwitting admin! This DOM-based cross-site scripting vulnerability in GitHub Enterprise Server allows attackers to escalate privileges in a surprising way. 🔥 Think of it like a restaurant customer who accidentally orders the chef's special, which comes with all the power to change the menu! If they click on a malicious link, they might just trigger changes they never intended to make. An attacker with access to your GitHub Enterprise Server could entice a user with sudo privileges to click a malicious link, allowing them to perform unauthorized actions. This can lead to privilege escalation and potentially disrupt workflows—an absolute nightmare for any organization!

Put simply

Think of it like a restaurant customer who accidentally orders the chef's special, which comes with all the power to change the menu! If they click on a malicious link, they might just trigger changes they never intended to make. This vulnerability arises from improper neutralization of input in the Issues search label filter, enabling attackers to inject code that manipulates the Document Object Model (DOM). This allows unauthorized workflow triggers when executed by unsuspecting users with elevated privileges.

What to do

An attacker with access to your GitHub Enterprise Server could entice a user with sudo privileges to click a malicious link, allowing them to perform unauthorized actions. This can lead to privilege escalation and potentially disrupt workflows—an absolute nightmare for any organization! To mitigate this risk, update to GitHub Enterprise Server version 3.18.1 or later, 3.17.7 or later, 3.16.10 or later, 3.15.14 or later, or 3.14.19 or later. Additionally, reinforce user training on recognizing suspicious links, especially in environments with elevated privileges. You've got this! Follow these steps, and you'll have your GitHub environment secured in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00699 · 52.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-11-11T04:15Z
Affected products (5)
ProductVersionsFixed in
github/enterprise_server< 3.14.193.14.19
github/enterprise_server≥ 3.15.0, < 3.15.143.15.14
github/enterprise_server≥ 3.16.0, < 3.16.103.16.10
github/enterprise_server≥ 3.17.0, < 3.17.73.17.7
github/enterprise_serverall versions—
References (5)
EPSS history
Timeline
  • 10 NOV 22:43Z
    DOM-based Cross-Site Scripting was identified in GitHub Enterprise Server Issues search allows privilege escalation and unauthorized workflow triggers
    cvelistv5